Xiaomi has announced its first power bank built to meet China’s new national safety standard for portable chargers. Dubbed the Xiaomi Power Bank 20000 22.5W, it will go on sale in China on July 22 for 149 yuan (~ $22).
The power bank has a 20,000mAh capacity and supports 22.5W charging through a built-in cable. Inside, it uses two 10,000mAh battery cells rather than a single large cell. Xiaomi says the product has cleared a demanding set of safety tests, including a 4mm needle penetration test, a 135 °C heat exposure test, an overcharge test at 1.3 times the normal voltage, a compression test using roughly 1.3 tons of force, and a 300-cycle aging test that checks for lithium plating.
The device also includes smart management features tied to its cable, so that users can check battery health and access traceability information about the battery inside. As for connectivity, you get one USB-A and two USB-C ports.
The new model is based on the Xiaomi 20000 22.5W Power Bank 2026, which it launched in June. It also has a built-in cable, uses a 2C+1A port layout, and sells for the same 149 yuan.
What is the new national standard?
China introduced a mandatory national standard for power bank safety in April; however, it doesn’t take effect until April 1, 2027. The rules require stronger protection against high heat, overcharging, and crushing, and add a new test for lithium buildup after repeated charging cycles to lower the chance of short circuits in older batteries. Power banks must also be able to store and share data about unusual events, and each unit needs its own identification code so consumers can check details like the battery brand.
The standard was shaped with input from several major manufacturers, including Huawei, Xiaomi, Oppo, and Anker, and is regarded as one of the strictest in the world. It brings in extra mechanical tests such as drops, crushing, and impacts, bans the use of recycled or refurbished lithium cells, and sets tougher rules for the chemical fluid inside batteries. Manufacturers have a transition period before the rules become mandatory, but Xiaomi’s new launch shows companies are already moving to meet the tougher requirements ahead of schedule.
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